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6901.00.00.00/Diatomite Thermal Insulation Block/Canada

Diatomite Thermal Insulation Block from Canada

High-porosity thermal insulation block from diatomaceous earth for ovens and high-heat enclosures. HTS 6901.00.00.00 specifically for blocks of siliceous fossil meals.

Duty Rate — Canada → United States

10%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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Import Tips

• Include thermal conductivity data (<0.15 W/mK typical for diatomite)

• Certify no organic binders exceeding Chapter 69 curing exclusions

• Invoice as 'blocks' not 'boards' to match terminology

Diatomite Thermal Insulation Block from Canada — Import Duty Rate | HTS 6901.00.00.00